Get A Field Guide to Coral Reefs Caribbean and Florida PDF

By Eugene H. Kaplan

ISBN-10: 0618002111

ISBN-13: 9780618002115

With greater than 500 species defined and greater than four hundred illustrations, this consultant offers speedy and simple visible identity of fishes, mollusks, sponges, shrimps, lobsters, crabs, and masses extra of the fauna stumbled on at the coral reefs of the Caribbean and Florida.

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Extra resources for A Field Guide to Coral Reefs Caribbean and Florida (Peterson Field Guides)

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The Richter et al. (1996) approach has found widespread utility for ecosystem management. Olden and Poff (2003) used 171 hydrological indices for 420 gauging sites across the United States to demonstrate redundancy between many of the indices, suggesting how different subsets of indices might be better suited to different hydroclimatic regions and different ecological questions being addressed. , 2003). Less than 4 days’ flow retention in reservoirs can achieve 50% sediment trapping, increasing to 75% after 2 weeks and rising to 90% after 3 months (Brune, 1953).

13, the banks do not affect the velocity profile in the central two thirds of the channel. Bed sediment movement involves the drag force imposed by the flow in relation to the immersed mass of a particle and a lift force imposed by flow over the particle and the degree of exposure of a particle to the flow. The critical shear stress required to move a well‐mixed sediment is usually related to the median size of the sediment on the channel bed. Size‐ selective entrainment of riverbed sediments is linked to the idea of flow competence, that is, there is a maximum size of particle that can be transported by a given flow.

The arrangement of channels within a drainage basin may be viewed as a hierarchy of ‘links’. Headwater streams are the external links that are terminated by the first tributary confluence (= junction). Interior links are the channel segments between two junctions, and their order or magnitude increases downstream depending upon the convention used. One of the most useful conventions for ecological studies was introduced by Shreve (1967) whereby the magnitude of an interior link is equal to the sum of the magnitudes of the tributaries at its upstream junction, which is also the sum of the upstream ­exterior links.

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A Field Guide to Coral Reefs Caribbean and Florida (Peterson Field Guides) by Eugene H. Kaplan

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